CN113274786A - Ship ballast water sampling device - Google Patents
Ship ballast water sampling device Download PDFInfo
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- CN113274786A CN113274786A CN202110565393.0A CN202110565393A CN113274786A CN 113274786 A CN113274786 A CN 113274786A CN 202110565393 A CN202110565393 A CN 202110565393A CN 113274786 A CN113274786 A CN 113274786A
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- ballast water
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- pipe
- filtering area
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000005070 sampling Methods 0.000 title claims abstract description 90
- 238000001914 filtration Methods 0.000 claims abstract description 105
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of ship ballast water sampling, and discloses a ship ballast water sampling device which comprises a sampler, a connecting pipe and a separator, wherein a sampling pipe assembly is arranged in the sampler, the sampling pipe assembly comprises a sampling pipe and a sampling guide pipe, the sampling pipe extends into a drainage pipeline, and the sampling guide pipe is in threaded connection with the sampler; one end of the connecting pipe is detachably connected with the sampler; the separator comprises a first filtering area, a second filtering area and a serpentine pipeline, and a first filtering assembly is arranged in the first filtering area; the second filtering area comprises a second filtering component and a second filtering area water outlet, and the ballast water filtered by the second filtering component is discharged from the second filtering area water outlet; and one part of the ballast water filtered by the first filtering area can flow into the second filtering area through the serpentine pipeline, and the other part of the ballast water is discharged from a water outlet of the first filtering area. The invention can simultaneously carry out living body biological filtration sampling in two size intervals, improves the sampling efficiency and is suitable for ballast water discharge pipelines with various specifications.
Description
Technical Field
The invention relates to the technical field of ship ballast water sampling, in particular to a ship ballast water sampling device.
Background
With global development of world economy, the ship trade increases the possibility of survival and transfer of foreign harmful aquatic organisms and pathogenic bacteria. Therefore, the international maritime organization makes clear regulations on marine living organisms in ballast water, and needs to effectively supervise the discharge of the ballast water of ships. The water quality sample is taken from a representative sampling point on a main pipeline, the water flow characteristics of the sampling point are not changed as much as possible in the sampling process, the water quality sample is prepared into a ballast water test sample meeting the convention requirement, and the site indicative analysis is rapidly completed according to the time limit requirement. However, the conventional ship ballast water sampler has a complex structure, is difficult to install and carry, has poor quantitative control precision, large detection deviation, complicated manual sampling operation, long time consumption and high cost, and has the risk of influencing detection timeliness; the sampler commonality is poor, can't adapt to many specifications drainage pipe.
Disclosure of Invention
The invention aims to provide a ship ballast water sampling device which can simultaneously carry out living body biological filtration sampling in two size intervals, improves the sampling efficiency and can be adapted to ballast water discharge pipelines with various specifications.
In order to achieve the purpose, the invention adopts the following technical scheme:
a ship ballast water sampling device comprising:
the sampling device comprises a sampler, a ballast water drainage pipeline, a sampling pipe assembly and a sampling pipe assembly, wherein the sampler is detachably connected with the ballast water drainage pipeline, the sampling pipe assembly comprises a sampling pipe and a sampling guide pipe which are detachably connected, the sampling pipe extends into the drainage pipeline, and the sampling guide pipe is in threaded connection with the inner wall of the sampler;
one end of the connecting pipe is detachably connected with the sampler, and the sampling guide pipe extends into the connecting pipe; and
a separator, the separator comprising:
the other end of the connecting pipe is communicated with the first filtering area, and a first filtering assembly is arranged in the first filtering area;
the second filtering area comprises a second filtering component and a second filtering area water outlet, and ballast water filtered by the second filtering component is discharged from the second filtering area water outlet; and
the serpentine pipeline is communicated with the first filtering area and the second filtering area, one end of the serpentine pipeline is used as a water outlet of the first filtering area, ballast water filtered by the first filtering area passes through the serpentine pipeline, one part of the ballast water can flow into the second filtering area, and the other part of the ballast water can be discharged from the water outlet of the first filtering area.
As a preferred structure of the invention, the first filtering component comprises a first filtering net and a flow guiding platform, the first filtering net is conical, and the bottom end of the first filtering net is provided with a flow guiding opening; the flow guide platform is arranged below the first filter screen and communicated with the snake-shaped pipeline.
As a preferable structure of the present invention, the second filtering assembly includes a second filter screen in an arc shape and a second filtering-section diaphragm valve configured to regulate a flow rate of the ballast water flowing into the second filter screen.
In a preferred configuration of the present invention, the connection pipe is provided with a connection pipe diaphragm valve.
As a preferred structure of the present invention, a first filtering area flowmeter is disposed at the first filtering area water outlet, and a second filtering area flowmeter is disposed at the second filtering area water outlet.
As a preferable structure of the present invention, the sampler is provided with a first flange, the ballast water discharge pipe is provided with a second flange, the first flange is detachably connected to the second flange, and the sampling pipe passes through the first flange and is in threaded connection with the first flange.
In a preferred structure of the present invention, one end of the sampling tube is bent to serve as a sampling end, and the other end is screwed with the sampling pipe.
As a preferable structure of the present invention, the separator further includes a pressure gauge configured to detect an internal pressure of the separator.
As a preferable structure of the present invention, two ends of the connection pipe are respectively provided with shackles.
In a preferred structure of the invention, the material of the sampler and the separator is stainless steel.
The invention has the beneficial effects that: the sampling pipe in the sampler is detachably connected with the sampling pipe, the sampling pipe with the proper diameter size can be replaced according to the actual detection condition, the sampling pipe and the sampler adopt a screw joint design, and the extension length of the sampling pipe relative to the sampler can be rotatably adjusted to adapt to ballast water discharge pipelines with various specifications.
Drawings
Fig. 1 is a schematic structural view of a ship ballast water sampling device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a separator according to an embodiment of the present invention.
In the figure:
1. a sampler; 11. a sampling tube assembly; 111. a sampling tube; 112. a sampling pipe; 12. a first flange;
2. a connecting pipe; 21. connecting a diaphragm valve; 22. shackle dismounting;
3. a separator; 31. a first filtration zone; 311. a first filter assembly; 3111. a first filter screen; 3110. a flow guide port; 3112. a flow guide platform; 32. a second filtration zone; 321. a second filter assembly; 3211. a second filter screen; 3212. a second filtering area diaphragm valve; 322. a water outlet of the second filtering area; 3221. a second filtration zone flowmeter; 33. a serpentine circuit; 331. a first filtering area water outlet; 3311. a first filtration zone flowmeter; 34. a pressure gauge;
100. a ballast water discharge conduit; 101. a second flange.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-2, the invention provides a ship ballast water sampling device, which comprises a sampler 1, a connecting pipe 2 and a separator 3, wherein the sampler 1 is detachably connected with a ballast water discharge pipeline 100, a sampling pipe assembly 11 is arranged in the sampler 1, the sampling pipe assembly 11 comprises a sampling pipe 111 and a sampling guide pipe 112 which are detachably connected, the sampling pipe 111 extends into the drainage pipeline 100, and the sampling guide pipe 112 is in threaded connection with the inner wall of the sampler 1; one end of the connecting pipe 2 is detachably connected with the sampler 1, and the sampling pipe 112 extends into the connecting pipe 2; the separator 3 comprises a first filtering area 31, a second filtering area 32 and a serpentine pipeline 33, the other end of the connecting pipe 2 is communicated with the first filtering area 31, and a first filtering component 311 is arranged in the first filtering area 31; the second filtering section 32 comprises a second filtering component 321 and a second filtering section water outlet 322, and the ballast water filtered by the second filtering component 321 is discharged from the second filtering section water outlet 322; the serpentine conduit 33 is communicated with the first filtering area 31 and the second filtering area 32, one end of the serpentine conduit 33 is used as a first filtering area water outlet 331, one part of the ballast water filtered by the first filtering area 31 can flow into the second filtering area 32 through the serpentine conduit 33, and the other part of the ballast water can be discharged from the first filtering area water outlet 331.
When the sampling device is used, the sampling pipe 111 with the proper diameter size is selected according to the diameter of the ballast water discharge pipeline 100, the sampling pipe 111 is installed at the end part of the sampling guide pipe 112, the sampling guide pipe 112 is fixed with the inner wall of the sampler 1 in a threaded manner, the elongation of the sampling guide pipe 112 is adjusted, and the sampling position is ensured to be positioned in the middle of the ballast water discharge pipeline 100; after passing through the first filtering area 31 and the second filtering area 32 through the connecting pipe 2, the ballast water in the ballast water drainage pipe 100 can be discharged from the first filtering area water outlet 331 and the second filtering area water outlet 322 respectively, wherein the first filtering area 31 is used for collecting plankton with the size larger than 50um, and the second filtering area 32 is used for collecting plankton with the size of 10 um-50 um; the filtered ballast water discharged from the water outlet 331 of the first filtering area is used for cleaning plankton collected in the first filtering area 31, and a concentrated solution with a specified volume is prepared for detecting plankton with the size larger than 50 um; and the filtered ballast water discharged from the water outlet 322 of the second filtering area is used for cleaning plankton collected by the second filtering area 32, and a concentrated solution with a specified volume is prepared for detecting plankton with the size of 10-50 um. Preferably, the housing of the second filtering area 32 can be a semi-open hollow design, which is convenient for the operation and maintenance of the operator.
Specifically, the first filtering component 311 includes a first filter screen 3111 and a flow guiding platform 3112, the first filter screen 3111 is in a conical shape, and a flow guiding port 3110 is disposed at a bottom end of the first filter screen 3111; the diversion platform 3112 is disposed below the first filter screen 3111 and is in communication with the serpentine conduit 33. In this embodiment, the first filter screen 3111 is a 50um rigid conical filter screen, and the diversion port 3110 is used for cleaning and collecting the residual organisms on the first filter screen 3111 after the quantitative filtration, and the cleaning liquid is collected through the diversion port 3110 and is prepared into the concentrated solution with the designated volume.
Specifically, the second filtering assembly 321 includes a second filtering screen 3211 and a second filtering zone diaphragm valve 3212, the second filtering screen 3211 is arc-shaped, and the second filtering zone diaphragm valve 3212 is configured to regulate the flow rate of ballast water flowing into the second filtering screen 3211. In this embodiment, the second filter screen 3211 is a rigid arc filter screen, 10um glass fiber filter paper is laid on the second filter screen 3211, and the ballast water flows out of the second filtering area water outlet 322 and is collected after being filtered by the filter paper.
Specifically, the connection pipe 2 is provided with a connection pipe diaphragm valve 21 for flow rate control.
Specifically, a first filtering area flowmeter 3311 is arranged at the first filtering area water outlet 331, and a second filtering area flowmeter 3221 is arranged at the second filtering area water outlet 322, and is used for recording the discharge flow rates of the filtered ballast water at the first filtering area water outlet 331 and the second filtering area water outlet 322, so as to facilitate quantitative collection.
Specifically, a first flange 12 is provided on the sampler 1, a second flange 101 is provided on the ballast water discharge pipeline 100, the first flange 12 is detachably connected with the second flange 101, and the sampling pipe 112 passes through the first flange 12 and is in threaded connection with the first flange 12. In this embodiment, the sampler 1 and the ballast water discharge pipeline 100 are detachably connected through the first flange 12 and the second flange 101, which is convenient for detachment and installation. The sampling pipe 112 is connected with the first flange 12 in a threaded mode, and the length of the part, extending out of the first flange 12, of the sampling pipe 112 can be freely adjusted through rotation so as to meet the requirement of a sampling position.
Specifically, one end of the sampling tube 111 is bent as a sampling end, and the other end is screwed with the sampling pipe 112. In this embodiment, the sampling tube 111 is L-shaped, and the opening of the sampling end is an inclined plane to provide smooth and gradual transition between the inside and the outside of the pipeline.
Specifically, the separator 3 further includes a pressure gauge 34, the pressure gauge 34 is configured to detect the internal pressure of the separator 3, and an operator can observe the internal water pressure of the apparatus through the pressure gauge 34 in real time, so as to avoid the foreign matter in the ballast water from blocking the first filter screen 3111, which leads to the situation of excessive water pressure and safety.
Specifically, both ends of the connection pipe 2 are provided with shackles 22, respectively. In this embodiment, two ends of the connection tube 2 are respectively and fixedly connected to the sampler 1 and the separator 3 through shackles 22, and the shackles 22 are common devices in the art, and the detailed structure and principle thereof are not described in this embodiment.
Specifically, the material of the sampler 1 and the separator 3 is stainless steel. The major structure of sampler 1 and separator 3 in this embodiment all adopts 316 stainless steel, avoids gathering the velocity of flow and sample representativeness because of the pipeline corrosion influences.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A ship ballast water sampling device, characterized by comprising:
the sampling device comprises a sampler (1), wherein the sampler (1) is detachably connected with a ballast water drainage pipeline (100), a sampling pipe assembly (11) is arranged in the sampler (1), the sampling pipe assembly (11) comprises a sampling pipe (111) and a sampling guide pipe (112) which are detachably connected, the sampling pipe (111) extends into the drainage pipeline (100), and the sampling guide pipe (112) is in threaded connection with the inner wall of the sampler (1);
one end of the connecting pipe (2) is detachably connected with the sampler (1), and the sampling guide pipe (112) extends into the connecting pipe (2); and
a separator (3), the separator (3) comprising:
the other end of the connecting pipe (2) is communicated with the first filtering area (31), and a first filtering component (311) is arranged in the first filtering area (31);
a second filtering section (32), wherein the second filtering section (32) comprises a second filtering component (321) and a second filtering section water outlet (322), and the ballast water filtered by the second filtering component (321) is discharged from the second filtering section water outlet (322); and
the serpentine pipeline (33) is communicated with the first filtering area (31) and the second filtering area (32), one end of the serpentine pipeline (33) is used as a first filtering area water outlet (331), ballast water filtered by the first filtering area (31) passes through the serpentine pipeline (33), one part of the ballast water can flow into the second filtering area (32), and the other part of the ballast water can be discharged from the first filtering area water outlet (331).
2. The ship ballast water sampling device according to claim 1, wherein the first filter assembly (311) comprises a first filter screen (3111) and a guide platform (3112), the first filter screen (3111) is in a cone shape, and a guide opening (3110) is provided at a bottom end of the first filter screen (3111); the flow guide platform (3112) is arranged below the first filter screen (3111) and communicated with the snake-shaped pipeline (33).
3. The marine ballast water sampling device of claim 1, wherein the second filter assembly (321) comprises a second filter screen (3211) and a second filter zone diaphragm valve (3212), the second filter screen (3211) being arc-shaped, the second filter zone diaphragm valve (3212) being configured to regulate a flow of ballast water into the second filter screen (3211).
4. The ship ballast water sampling device according to any one of claims 1 to 3, wherein a connection pipe diaphragm valve (21) is provided on the connection pipe (2).
5. The vessel ballast water sampling device according to any one of claims 1 to 3, wherein a first filtering zone flow meter (3311) is provided at the first filtering zone water outlet (331), and a second filtering zone flow meter (3221) is provided at the second filtering zone water outlet (322).
6. The ship ballast water sampling device according to any one of claims 1 to 3, wherein a first flange (12) is provided on the sampler (1), a second flange (101) is provided on the ballast water discharge pipe (100), the first flange (12) is detachably connected with the second flange (101), and the sampling pipe (112) passes through the first flange (12) and is in threaded connection with the first flange (12).
7. The ship ballast water sampling device according to any one of claims 1 to 3, wherein one end of the sampling pipe (111) is bent as a sampling end, and the other end is screw-coupled with the sampling pipe (112).
8. A ship ballast water sampling device according to any of claims 1-3, wherein the separator (3) further comprises a pressure gauge (34), the pressure gauge (34) being configured to detect the pressure inside the separator (3).
9. The ship ballast water sampling device according to any one of claims 1 to 3, wherein both ends of the connection pipe (2) are provided with shackles (22), respectively.
10. A ship ballast water sampling device according to any of claims 1-3, wherein the material of the sampler (1) and the separator (3) is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565393.0A CN113274786A (en) | 2021-05-24 | 2021-05-24 | Ship ballast water sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565393.0A CN113274786A (en) | 2021-05-24 | 2021-05-24 | Ship ballast water sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN113274786A true CN113274786A (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110565393.0A Pending CN113274786A (en) | 2021-05-24 | 2021-05-24 | Ship ballast water sampling device |
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| CN (1) | CN113274786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945428A (en) * | 2021-10-20 | 2022-01-18 | 上海海洋大学 | Intelligent ballast water sampling equipment |
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Application publication date: 20210820 |
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